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Finding the Fourth Proportional to 111,435.49, 167,197.02 and 49,062.25

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Solution

The fourth proportional to 111,435.49, 167,197.02 and 49,062.25 is: 73,612.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,435.49 : 167,197.02 = 49,062.25 : x
  2. Step 2: Convert to fraction form
    111,435.49/167,197.02 = 49,062.25/x
  3. Step 3: Cross multiply
    111,435.49x = 167,197.02 × 49,062.25
  4. Step 4: Simplify right side
    111,435.49x = 8,203,061,994.50
  5. Step 5: Solve for x
    x = 8,203,061,994.50/111,435.49
  6. Step 6: Final answer
    x = 73,612.65

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.